title: Molecular phylogenetic analyses indicate a wide and ancient radiation of African hepatitis delta virus, suggesting a deltavirus genus of at least seven major clades.
mesh_terms: D000293:Adolescent; D000328:Adult; D000349:Africa / Q000453:epidemiology; D000595:Amino Acid Sequence; D001483:Base Sequence; D019143:Evolution, Molecular; D005260:Female; D016679:Genome, Viral; D005838:Genotype; D005843:Geography; D006378:Helper Viruses / Q000235:genetics; D006515:Hepatitis B virus / Q000235:genetics; D003698:Hepatitis Delta Virus / Q000737:chemistry / Q000145:classification* / Q000235:genetics*; D006801:Humans; D008297:Male; D008875:Middle Aged; D008969:Molecular Sequence Data; D009690:Nucleic Acid Conformation; D010802:Phylogeny; D012367:RNA, Viral / Q000737:chemistry / Q000235:genetics
chemical_list: D012367:RNA, Viral